VII

例句：

1. 1. The number seven is the seventh letter of the alphabet.
   数字七是字母表中的第七个字母。
2. 2. In the United States, the 17th amendment to the Constitution was ratified in 1986.
   在美国，宪法的第17修正案于1986年获得批准。
3. 3. The VIIth International Conference on Artificial Intelligence was held in Beijing last year.
   第七届国际人工智能会议去年在北京举行。